/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.ambari.logfeeder.filter;

import org.apache.ambari.logfeeder.util.LogFeederUtil;

import java.util.Map;

/**
 * Helper class to get docker log line from a json based docker log
 */
public class DockerLogFilter {

  private DockerLogFilter() {
  }

  /**
   * Convert json formatted docker log line to a simple log line.
   * @param jsonInput docker log in json format
   * @return log line
   */
  public static String getLogFromDockerJson(String jsonInput) {
    Map<String, Object> jsonMap = LogFeederUtil.toJSONObject(jsonInput);
    return jsonMap.get("log").toString();
  }
}
